Pearson gave up two hits and struck out one in a scoreless ninth inning Monday to record his first save of the season in a win over the Royals.
The Blue Jays recalled Pearson from Triple-A Buffalo on Saturday, Shi Davidi of Sportsnet.ca reports.
Pearson was optioned to Triple-A Buffalo by the Blue Jays on Tuesday, Hazel Mae of Sportsnet reports.
Pearson struck out the side in a perfect ninth inning Sunday during a 5-0 win over the Rockies.
Pearson will begin the season on the Blue Jays' 26-man roster.
Pearson's chances of breaking camp on the big-league roster would improve significantly if Jordan Romano (elbow) or Erik Swanson (forearm) need to begin the season on the injured list, Keegan Matheson of MLB.com reports.
Pearson is attempting to add a split-finger fastball to his arsenal, Kaitlyn McGrath of The Athletic reports.
Pearson was optioned to the Blue Jays' Florida Complex League affiliate Tuesday, Ben Nicholson-Smith of Sportsnet.ca reports.
Pearson was recalled from Triple-A Buffalo on Friday, Ben Nicholson-Smith of Sportsnet.ca reports.
Pearson was optioned to Triple-A Buffalo on Tuesday, Keegan Matheson of MLB.com reports.